Forget crunches — you just need this 4-move workout to build a

Level up your plank game and tighten your core with this simple routine

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An Intermediate 4-Move Body-Weight Core Workout

Forget sit-ups — you only need 1 kettlebell and 3 moves to build a

Forget sit-ups — build core muscle with this 4-move foam roller

Forget crunches — you just need this 4-move workout to build a stronger core and sculpt your abs

Forget sit-ups—use these eight dumbbell moves to build total core strength

Forget crunches — this standing ab exercise sculpts your core with